the converter dolly air tank drain valve should be

B. restore traction to the tires The pintle hook should always be secure when the vehicle is in motion. Never unlock the pintle hook with the dolly still under the rear trailer. CDL Doubles & Triples Practice Test 3 - Classic Mode - Trucker Country Try our free CDL Doubles and Triples Test Question and Answers Quiz online. Safety chains should be secured to trailer(s). Connect Converter Dolly to Front Trailer Back first semitrailer into position in front of dolly tongue. A. closed; latched - Converter dolly air tank drain valve: CLOSED. To help avoid mistakes, colors are sometimes used. C Use the dummy couplers when the air lines are not connected to a trailer. 0000001775 00000 n The converter dolly is an auxiliary axle with a coupling device. A Number of wrong answers. how much space should be between the upper and lower fifth wheel? These valves permit closing the air lines off when another trailer is not being towed. A Open, latched B Open, free C Closed, latched D Closed, free 28. Use the engine brake or speed retarder. B. you can almost always stop more quickly than you can turn Question 3 Explanation: All of the above. The number and size of air tanks varies among vehicles. Tips for Backing Up a Trailer Like a Pro Trucker. Hazardous materials must be placarded on all four sides of EACH Trailer. 9 Questions You Must Ask, Decide if Truck Driving is The Correct Career Path, Do Not Sell or Share My Personal Information. If a converter dolly is still under the second trailer and you unlock the pintle hook, what will probably happen? When you are pulling trailers, which of the following statements is true about steering? When you do this, you should hear: Double and Triples Part 1 Flashcards - flashcardmachine.com You should keep at least ____ seconds of space ahead of you. Some do. Time allowed (Requires timer add on). securely fastened. Describe what the trailer air supply control does. you are driving at night and you must dim your headlights for traffic. If there are no dummy couplers, the glad hands can sometimes be locked together (depending on the couplings). A It is extremely unlikely you will drive a trailer built before 1975, but for the written exam, you still may need to know that trailers built before 1975 were not required to have spring brakes. Which is most likely to tip over: What is a converter dolly? [Penalties Applying to Any DUI Conviction; Driving Under the Influence of Drugs or Alcohol (The "DUI" Law); Section B-7 Alcohol, Other Drugs and Driving; Tennessee Comprehensive Driver License Manual]. They provide the air pressure used to operate trailer brakes.

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